Rather than aimlessly waiting for actual "very, very expensive schemes" -- raising roads, big retention pond, flood barriers, using sandbags -- to be installed, perhaps the best precautionary measure is this open source Google Map created by The Straits Times to warn the public about potential danger spots.
Anyone with a Google account can visit here, sign in, click on 'edit,' then click on the pin at the top panel. Drop the pin on the danger spot and include a description of the location and what you hope the Public Utilities Board will do. Full story
